Invention Grant
US09557827B2 Optical digitizer system with position-unique photoluminescent indicia
有权
具有位置独特光致发光标记的光学数字化仪系统
- Patent Title: Optical digitizer system with position-unique photoluminescent indicia
- Patent Title (中): 具有位置独特光致发光标记的光学数字化仪系统
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Application No.: US14723655Application Date: 2015-05-28
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Publication No.: US09557827B2Publication Date: 2017-01-31
- Inventor: Bernard O. Geaghan , Michael Benton Free , Edward S. Hagermoser , Rachael P. Marino , Pradnya V. Nagarkar , Martin B. Wolk
- Applicant: 3M INNOVATIVE PROPERTIES COMPANY
- Applicant Address: US MN St. Paul
- Assignee: 3M Innovative Properties Company
- Current Assignee: 3M Innovative Properties Company
- Current Assignee Address: US MN St. Paul
- Agent Robert S. Moshrefzadeh
- Main IPC: G06F3/03
- IPC: G06F3/03 ; G06K9/22 ; G01C21/20 ; G06K19/06
Abstract:
A digitizer system including a substrate having a position-unique photoluminescent indicia pattern. A stylus component receives optical signals indicative of the indicia pattern and determines therefrom the position of the stylus relative to the substrate. Methods of disposing indicia on the substrate, and styli suitable for sensing photoluminescent indicia are also described.
Public/Granted literature
- US20150261317A1 OPTICAL DIGITIZER SYSTEM WITH POSITION-UNIQUE PHOTOLUMINESCENT INDICIA Public/Granted day:2015-09-17
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